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WORK SUPPORT MODE
=NFEC0034S04
WORK ITEM CONDITION USAGE
FUEL PRESSURE RELEASE I FUEL PUMP WILL STOP BY TOUCHING “START”
DURING IDLING.
CRANK A FEW TIMES AFTER ENGINE STALLS.
When releasing fuel pressure
from fuel line
IDLE AIR VOL LEARN I THE IDLE AIR VOLUME THAT KEEPS THE ENGINE
WITHIN THE SPECIFIED RANGE IS MEMORIZED IN
ECM.
When learning the idle air volume
SELF-LEARNING CONT I THE COEFFICIENT OF SELF-LEARNING CONTROL
MIXTURE RATIO RETURNS TO THE ORIGINAL
COEFFICIENT.
When clearing the coefficient of
self-learning control value
EVAP SYSTEM CLOSE OPEN THE VACUUM CUT VALVE BYPASS VALVE AND
CLOSE THE EVAP CANISTER VENT CONTROL VALVE
IN ORDER TO MAKE EVAP SYSTEM CLOSE UNDER
THE FOLLOWING CONDITIONS.
I IGN SW “ON”
I ENGINE NOT RUNNING
I AMBIENT TEMPERATURE IS ABOVE 0°C (32°F).
I NO VACUUM AND NO HIGH PRESSURE IN EVAP
SYSTEM
I TANK FUEL TEMP. IS MORE THAN 0°C (32°F).
I WITHIN 10 MINUTES AFTER STARTING “EVAP SYS-
TEM CLOSE”
I WHEN TRYING TO EXECUTE “EVAP SYSTEM
CLOSE” UNDER THE CONDITION EXCEPT ABOVE,
CONSULT-II WILL DISCONTINUE IT AND DISPLAY
APPROPRIATE INSTRUCTION.
NOTE:
WHEN STARTING ENGINE, CONSULT-II MAY DIS-
PLAY “BATTERY VOLTAGE IS LOW. CHARGE
BATTERY”, EVEN IN USING CHARGED BATTERY.
When detecting EVAP vapor leak
point of EVAP system
TARGET IGN TIM ADJ* I IDLE CONDITION I When adjusting target ignition
timing
After adjustment, confirm target
ignition timing with a timing
light.
I If once the “TARGET IDLE
RPM ADJ” has been done, the
Idle Air Volume Learning proce-
dure will not be completed.
TARGET IDLE RPM ADJ* I IDLE CONDITION When setting target idle speed
*: This function is not necessary in the usual service procedure.
SELF-DIAGNOSTIC MODE
NFEC0034S05
DTC and 1st Trip DTC
NFEC0034S0501
Regarding items of “DTC and 1st trip DTC”, refer to “TROUBLE
DIAGNOSIS — INDEX” (See EC-9.)
Freeze Frame Data and 1st Trip Freeze Frame Data
NFEC0034S0502
Freeze frame data
item*1
Description
DIAG TROUBLE
CODE
[PXXXX]
I The engine control component part/control system has a trouble code, it is displayed as “PXXXX”.
(Refer to “TROUBLE DIAGNOSIS — INDEX”, EC-9.)
GI
MA
EM
LC
FE
CL
MT
AT
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION
CONSULT-II (Cont’d)
EC-105
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